Guptta, B. L. Nirman niyantran aevam‌ upakaran / by B. L. Guptta - New Delhi : Standard Publishers Distributors, 2012. - 243 p. : ill. ; 21 cm. ISBN: 8180141898 Subjects--Topical Terms: Hindi Collection Dewey Class. No.: 621.816 / GUP/N